Collective Structure in Zr94 and Subshell Effects in Shape Coexistence

A. Chakraborty, E. E. Peters, B. P. Crider, C. Andreoiu, P. C. Bender, D. S. Cross, G. A. Demand, A. B. Garnsworthy, P. E. Garrett, G. Hackman, B. Hadinia, S. Ketelhut, Ajay Kumar, K. G. Leach, M. T. McEllistrem, J. Pore, F. M. Prados-Estévez, E. T. Rand, B. Singh, E. R. Tardiff, Z.-M. Wang, J. L. Wood, and S. W. Yates
Phys. Rev. Lett. 110, 022504 – Published 9 January 2013

Abstract

Based on results from a measurement of weak decay branches observed following the β decay of Y94 and on lifetime data from a study of Zr94 by inelastic neutron scattering, collective structure is deduced in the closed-subshell nucleus Zr94. These results establish shape coexistence in Zr94. The role of subshells for nuclear collectivity is suggested to be important.

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  • Received 9 August 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.022504

© 2013 American Physical Society

Authors & Affiliations

A. Chakraborty1,2,*, E. E. Peters2, B. P. Crider1, C. Andreoiu3, P. C. Bender4, D. S. Cross3, G. A. Demand5, A. B. Garnsworthy4, P. E. Garrett5, G. Hackman4, B. Hadinia5, S. Ketelhut4, Ajay Kumar1,2,†, K. G. Leach5, M. T. McEllistrem1, J. Pore3, F. M. Prados-Estévez1,2, E. T. Rand5, B. Singh6, E. R. Tardiff4, Z.-M. Wang3,4, J. L. Wood7, and S. W. Yates1,2

  • 1Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506-0055, USA
  • 2Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
  • 3Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
  • 4TRIUMF, University of British Columbia, Vancouver, British Columbia V6T 2A3, Canada
  • 5Department of Physics, University of Guelph, Guelph, Ontario N1G 2W1, Canada
  • 6Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L8S 4L8, Canada
  • 7School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430, USA

  • *Present Address: Department of Physics, Krishnath College, Berhampore 742101, India.
  • Present Address: Department of Physics, Banaras Hindu University, Varanasi 221005, India.

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Vol. 110, Iss. 2 — 11 January 2013

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